CN215856377U - Integral forming smoke exhaust device for cathode of electrolytic cell - Google Patents
Integral forming smoke exhaust device for cathode of electrolytic cell Download PDFInfo
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- CN215856377U CN215856377U CN202121805658.1U CN202121805658U CN215856377U CN 215856377 U CN215856377 U CN 215856377U CN 202121805658 U CN202121805658 U CN 202121805658U CN 215856377 U CN215856377 U CN 215856377U
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Abstract
The utility model discloses a smoke exhaust device for integrally forming a cathode of an electrolytic cell, which comprises a top smoke exhaust hood, wherein a smoke exhaust pipe is arranged on the side surface of the top smoke exhaust hood; the top fume hood interface is provided with a top regulating valve, the tail end of the fume exhaust pipe is provided with a fume exhaust regulating valve, a fume collecting pipe is arranged behind the side regulating valve and the fume exhaust regulating valve, and the fume of the fume collecting pipe is connected into a fume treatment system. The scheme solves the environmental problem that smoke escape pollutes production and life of people in the roasting process of the integrally formed aluminum electrolytic cell, realizes the aims of labor protection and environmental protection, and simultaneously solves the problems of uneven smoke discharge in different periods and uneven smoke discharge in different distances under the long-distance condition.
Description
Technical Field
The utility model relates to a smoke exhaust device for the integral forming of a cathode of an aluminum electrolytic cell, in particular to a smoke exhaust device for a large amount of harmful smoke generated in the integral forming and roasting process of the cathode of the aluminum electrolytic cell.
Background
In the process of integrally forming the cathode of the aluminum electrolytic cell, cathode roasting is required before electrifying production after the building of the electrolytic cell is finished, a large amount of harmful flue gas is emitted from the upper part and the side part of the electrolytic cell in the roasting process of the electrolytic cell to cause pollution to workshops and surrounding environment, and the fixed-point collection control is required to be carried out on the part of the flue gas; then the vertical smoke exhaust pipeline is connected with a heat exchanger for heat exchange to reduce smoke; the flue gas cooled by the heat exchanger enters a cyclone separator to carry out cyclone separation on the flue gas, the separated solid returns to the electrolytic cell through the return material, and the gas is emptied after separation.
However, during the roasting start of the conventional electrolytic cell, no smoke discharge measures are taken specially for the roasting start of the electrolytic cell, the smoke discharge effect is not good even if temporary measures are taken, and a large amount of smoke is emitted in an electrolytic workshop to cause serious environmental pollution.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provides a smoke exhaust device for the integral forming of the cathode of an electrolytic cell, which overcomes the defects of the prior art.
The utility model is realized by the following steps:
the utility model relates to an electrolytic cell cathode integral forming smoke exhaust device, which comprises a top smoke exhaust hood, wherein a smoke exhaust pipe is arranged on the side surface of the top smoke exhaust hood, a side air suction hood is arranged on the side surface of an aluminum electrolytic cell, a smoke baffle plate is arranged on the side part of the side air suction hood, and a side regulating valve is arranged at the tail end of the side air suction hood; the top fume hood interface is provided with a top regulating valve, the tail end of the fume exhaust pipe is provided with a fume exhaust regulating valve, a fume collecting pipe is arranged behind the side regulating valve and the fume exhaust regulating valve, and the fume of the fume collecting pipe is connected into a fume treatment system.
Furthermore, the top exhaust hood is in a structure with a small lower part and a large upper part and is installed in a hanging mode, the distance between a lower hood opening and the covering material is 60-100mm, a top exhaust opening extends into the position above the plane of the lower hood opening of the top exhaust hood, the theoretical wind speed control range of the hood opening is 1-2m/s, and top flue gas collection is effectively controlled.
Furthermore, the side gas suction cover of the electrolytic cell adopts a wedge-shaped strip seam structure, so that the balanced control of smoke discharge can be performed according to the distance from the tail end of the smoke discharge end, and the uniform smoke discharge of the side part of the electrolytic cell is realized; the lateral smoke baffle plate extends between the rib plates of the electrolytic cell shell, effectively blocks the emission of smoke and realizes the diversion function, and better realizes the aim of efficiently discharging smoke of the lateral air suction cover.
Furthermore, the tail end of the side air suction hood is provided with a regulating valve, the joint of the top smoke exhaust hood is provided with a regulating valve, and the tail end of the smoke exhaust pipe is provided with a smoke exhaust regulating valve. The top fume exhaust hood interface regulating valve can control the fume exhaust balance of different fume exhaust points in the cathode roasting process of the electrolytic cell, and the side air suction hood tail end regulating valve and the fume exhaust pipe tail end fume exhaust regulating valve can respectively control the periodic distribution of the fume exhaust amount of the electrolytic cell according to the cathode roasting fume exhaust period of the electrolytic cell.
Compared with the prior art, the utility model effectively controls the whole process smoke exhaust control of the integral forming of the cathode of the electrolytic cell in the roasting process by collecting the smoke emitted from the top smoke outlet and the cathode steel bar of the electrolytic cell, respectively adjusts and controls different smoke exhaust points of the roasting of the electrolytic cell according to different roasting periods, realizes the aim of energy saving while realizing labor protection and environmental protection, effectively controls the whole smoke exhaust quantity of the integral forming roasting of the cathode of the electrolytic cell within the normal operation smoke exhaust quantity of the electrolytic cell, solves the problems of labor protection and environmental protection in the integral forming process of the cathode of the electrolytic cell, simultaneously solves the problems of matching of the system smoke exhaust quantity with a purification system and the energy saving of smoke exhaust control, and improves the smoke exhaust efficiency and the effect of the system, thereby having good popularization value and use value.
Drawings
FIG. 1 is an elevational view of the present invention;
FIG. 2 is a plan view of the present invention;
fig. 3 is a schematic view of the connection of the side smoke absorbing hood and the smoke barrier.
The labels in the figures are: 1-top smoke exhaust hood, 2-smoke exhaust pipe, 3-side air suction hood, 4-smoke baffle plate, 5-side regulating valve, 6-top regulating valve, 7-smoke exhaust regulating valve, 8-smoke collecting pipe, 9-smoke treatment system, 10-aluminum electrolysis cell and 11-wedge-shaped strip seam.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in figures 1-3, the cathode integrally-formed smoke exhaust device for the aluminum electrolytic cell comprises a movable top exhaust hood 1 arranged at a top exhaust port of the cathode integrally-formed electrolytic cell, a smoke exhaust pipe 2 arranged on the side surface of the top exhaust hood 1, a lateral air suction hood 3 arranged on the side surface of the aluminum electrolytic cell 10, a smoke baffle plate 4 arranged on the lateral side of the lateral air suction hood 3, a lateral adjusting valve 5 arranged at the tail end of the lateral air suction hood 3, a top adjusting valve 6 arranged at the interface of the top exhaust hood 2, a smoke exhaust adjusting valve 7 arranged at the tail end of the smoke exhaust pipe 2, a smoke collecting pipe 8 arranged behind the smoke exhaust adjusting valve 7, and a smoke inlet of the smoke collecting pipe 8 connected to a smoke treatment system 9.
The top exhaust hood 1 is in a structure with a small lower part and a large upper part and is mounted in a hanging mode, the distance between a lower hood opening and covering materials is 60-100mm, a top exhaust opening extends into the position above the plane of the lower hood opening of the top exhaust hood 1, the theoretical wind speed control range of the hood opening is 1-2m/s, and top flue gas collection is effectively controlled; the side air suction cover 3 on the side of the aluminum electrolytic cell 10 adopts a wedge-shaped strip seam structure, and a wedge-shaped strip seam 11 is shown in figure 3, so that the balanced control of smoke discharge can be performed according to the distance from the tail end of a smoke discharge end, and the uniform smoke discharge of the side of the electrolytic cell is realized; the smoke baffle plate 4 at the side part extends into the space between the ribbed plates of the shell of the aluminum electrolytic cell 10, thereby effectively blocking the emission of smoke and realizing the diversion function, and better realizing the aim of efficiently discharging smoke of the side air suction cover 3; the tail end of the side air suction hood 3 is provided with a side adjusting valve 5, the joint of the top smoke exhaust hood 1 is provided with a top adjusting valve 6, and the tail end of the smoke exhaust pipe 2 is provided with a smoke exhaust adjusting valve 7. The top regulating valve 6 at the interface of the top exhaust hood 1 can control the balance of exhaust smoke of different exhaust points in the cathode roasting process of the electrolytic cell, and the side regulating valve 5 at the tail end of the side air suction hood 3 and the exhaust smoke regulating valve 7 at the tail end of the exhaust pipe 2 can respectively control the periodic distribution of the exhaust smoke volume of the electrolytic cell according to the cathode roasting exhaust period of the electrolytic cell.
Before the roasting start operation of the integrally-formed cathode aluminum electrolytic cell, the top regulating valve 6 of the interface of the top exhaust hood 1 is firstly regulated to ensure that the exhaust amount of each top exhaust hood 1 is uniform, the top regulating valve 6 is fixed, when the roasting start operation is carried out, the side regulating valve 5 at the tail end of the side air suction hood 3 is closed, the exhaust regulating valve 7 at the tail end of the exhaust pipe 2 is opened, when the roasting enters a bottom cathode temperature rise stage, the side regulating valve 5 at the tail end of the side air suction hood 3 is gradually opened, the development angle of the exhaust regulating valve 7 is gradually regulated to be smaller, and the balance of exhaust of the top and the side of the aluminum electrolytic cell 10 is maintained. The scheme solves the environmental problem that smoke escape pollutes production and life of people in the roasting process of the integrally formed aluminum electrolytic cell, realizes the aims of labor protection and environmental protection, and simultaneously solves the problems of uneven smoke discharge in different periods and uneven smoke discharge in different distances under the long-distance condition.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (3)
1. The utility model provides an electrolysis trough negative pole integrated into one piece fume extractor which characterized in that: comprises a top exhaust hood (1), a smoke exhaust pipe (2) is arranged on the side surface of the top exhaust hood (1), a side air suction hood (3) is arranged on the side surface of an aluminum electrolytic cell (10), a smoke baffle plate (4) is arranged on the side part of the side air suction hood (3), and a side regulating valve (5) is arranged at the tail end of the side air suction hood (3); the top exhaust hood (1) is provided with a top regulating valve (6) at the interface, the tail end of the exhaust pipe (2) is provided with a smoke exhaust regulating valve (7), a smoke collecting pipe (8) is arranged behind the side regulating valve (5) and the smoke exhaust regulating valve (7), and the smoke collecting pipe (8) is connected with a smoke treatment system (9) for smoke.
2. The electrolytic cell cathode integral forming smoke exhaust device according to claim 1, characterized in that: the top exhaust hood (1) is of a structure with a small lower part and a large upper part and is installed in a hanging mode, the distance between a lower hood opening and covering materials is 60-100mm, and a top exhaust opening extends into the upper portion of the lower hood opening plane of the top exhaust hood (1).
3. The electrolytic cell cathode integral forming smoke exhaust device according to claim 1, characterized in that: the side air suction cover (3) adopts a wedge-shaped strip seam structure; the side smoke baffle (4) extends into the space between the rib plates of the electrolytic cell shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121805658.1U CN215856377U (en) | 2021-08-04 | 2021-08-04 | Integral forming smoke exhaust device for cathode of electrolytic cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121805658.1U CN215856377U (en) | 2021-08-04 | 2021-08-04 | Integral forming smoke exhaust device for cathode of electrolytic cell |
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| Publication Number | Publication Date |
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| CN215856377U true CN215856377U (en) | 2022-02-18 |
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| CN202121805658.1U Active CN215856377U (en) | 2021-08-04 | 2021-08-04 | Integral forming smoke exhaust device for cathode of electrolytic cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113481543A (en) * | 2021-08-04 | 2021-10-08 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhaust device and method for cathode of electrolytic cell |
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2021
- 2021-08-04 CN CN202121805658.1U patent/CN215856377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113481543A (en) * | 2021-08-04 | 2021-10-08 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhaust device and method for cathode of electrolytic cell |
| CN113481543B (en) * | 2021-08-04 | 2024-06-04 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhausting device and method for cathode of electrolytic tank |
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